--- !Document

_tests: !List/Boolean

  - !Equal/String
    a: Hello, World!
    b: !FileString
      file_name: "./helloworld.txt"

  - !Equal/String
    a: "Hello from other file!"
    b: !ExternalNode/String
      file_name: external_source.rnite
      node_path: !NodeTreePathFromList
        source: !List/Real
          - 0
          - 0
